Beavis and Butt-head "a couple of dumbasses" (Beavis and Butt-head's Island). In these contexts he seems to simply be an ordinary old man. In Cow Tipping and Bungholio: Lord of the Harvest, he is portrayed as a slow-witted, bluish-skinned farmer who is dangerously senile. On both occasions, he appears to be attempting to decapitate Beavis with a chainsaw. In A Great Day, he appears at the entry door of Highland High as B&B try to enter during a holiday to tell them that the school is closed. In The Great Cornholio, Beavis walks past him in the hallway after assuming his Cornholio persona, but he does not speak to Beavis. In Virtual Stupidity, it is revealed that he works a second job as a clown and is strongly implied to be into bestiality. Mrs. Dickey - A female science teacher at Highland, and occasional customer at Burger World. She is annoyed by Beavis and Butt-head, particularly by their incessant laughing when she tries to teach sex education (No Laughing). She forces Daria Morgendorffer to work with them in Scientific Stuff, in the hope of getting a proper experiment out of the lads. She appears less frequently as the series progresses. In Citizen Butt-head, Butt-head tells President Clinton that he "pitched a tent in Mrs. Dickey's class" (probably a euphemism for getting an erection). She also appeared in the one of Beavis and Butt-head video games Virtual Stupidity, along with Principal McVicker, Mr. Van Driessen, Bradley Buzzcut and Mr. Herrera. Voiced by Penelope Trud. Mr. Herrera (voiced by Sam Johnson) - A middle-aged Latino Spanish teacher who hates Beavis and Butt-head, because the only Spanish they know is what they heard at Taco Bell (and Beavis can't even get that right!) (No Laughing). Beavis and Butt-head always mispronounce his name. His most prominent appearances are in No Laughing and The Great Cornholio. He appears briefly sitting on the stage in PTA, smoking in the faculty lounge in Steamroller, at the teachers' lounge party in Beavis and Butt-head Are Dead, and at the town hall meeting in Dumb Design. He is one of the teachers who volunteers to prepare B&B for aptitude testing in School Test. Jim the Substitute (voiced by Julián Rebolledo) - A substitute teacher who briefly takes over when Mr. Van Driessen injures himself attempting to assume the lotus position on his desk (Substitute). Beavis, Butt-head, and other classmates